Phenakite and Cassiterite Physical Properties
Solubility
Not Available
insoluble
Durability
Not Available
Not Available
Specific Gravity
2.90-2.98
6.86-7.03
Fracture
Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001), Brittle
Subconchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Irregular
Cleavage
Distinct on {11 2 0}, imperfect on {10 1 1}
{100} imperfect, {110} indistinct; partings on {111} or {011}
Chemical Composition
Be 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
SnO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Phenakite and Cassiterite Chemical Formula
While comparing Phenakite and Cassiterite physical properties, the important data you should know is its chemical composition. Since chemical formula defines the molecular structure of the crystal, most of the physical properties like color, tenacity, solubility are governed by Phenakite and Cassiterite chemical formula.
- Chemical formula of Phenakite- Be 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
- Chemical formula of Cassiterite- SnO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Phenakite and Cassiterite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Phenakite and Cassiterite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Phenakite and Cassiterite Optical Properties during the identification of gemstone. Specific gravity of Phenakite is 6.86-7.03 whereas that of Cassiterite is 6.86-7.03.